using default location aws creds on homebrew

Author: zahidferz

.github/workflows/homebrew.yaml

@@ -66,8 +66,6 @@ jobs:
         run: yarn homebrew
         env:
           NODE_AUTH_TOKEN: ${{secrets.npm_token}}
-          AWS_SHARED_CREDENTIALS_FILE: ~/.aws/credentials
-          AWS_CONFIG_FILE: ~/.aws/config
           AWS_SDK_LOAD_CONFIG: true
           AWS_PROFILE: cloudgraph-iac
           AWS_ACCESS_KEY_ID: ${{secrets.aws_access_key_id}}